ictl powerpoint
TRANSCRIPT
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ICTLFORM 1
PREPARED BY: PN NOR AISAH BINTI MOHAMMAD YUSOF
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COMPUTER HARDWARE
COMPUTER PARTS AND
COMPONENTS OVERVIEW OF THE COMPUTER SYSTEM
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MAIN COMPUTER SYSTEM
DATA PROCESSING CYCLE
ACTIVITY
CONCLUSION
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MONITOR
SPEAKER
KEYBOARD
SYSTEM UNIT
MOUSE
MAIN COMPUTER SYSTEM
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MONITOR
A computer monitor is like a television monitor that displays images. The different types of display screens are:
Standard television set
An ordinary home television that can be used for computer output.
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Standard computer monitors
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These monitors have better resolution than TV monitors.
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Liquid Crystal Displays (LCD)
These screens are made up of two glass plates with liquid crystals in between.
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KEYBOARD
MULTIMEDIA KEYBOARD
WIRELESS KEYBOARD
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The keyboard is the main input device for text and commands. The computer keyboard uses the same key arrangement as typewriters, containing standard function keys such as “ Cursor movement and Control keys”.
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Keyboards come with three (3) different types of ports such as:
SERIAL PORT USB PORT PS/2 PORT
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SPEAKER
Computer speakers give out information in the form of sound. These speakers range in quality and price. Computer speakers are typically packaged with computer systems in small plastic boxes with average sound quality.
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MOUSE
PS/2 PORT MOUSE
USB PORT OPTICAL MOUSE
CORDLESS OPTICAL MOUSE
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SYSTEM UNIT
A system unit, also known as a base unit. It is the main body of a desktop computer. It consists of a metal or fibre enclosure containing the motherboard, power supply, cooling fans, internal disk drives, memory modules and expansion cards that are plugged into the motherboard, such as video and network cards.
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DATA PROCESSING CYCLE
INPUT PROCESS OUTPUT
STORAGE
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EXERCISE